package org.aceor.mddal.gateway.merger.function;

import org.aceor.mddal.gateway.datatype.DataType;

/**
 * Created by lxue on 16/4/16.
 */
public interface AggregateFunction {
    /**
     * 最终结果
     * @return
     */
    Object getResult();

    DataType getReturnType();

    void merge(Object... values);

    String getFunctionName();
}
